22898190 has 96 divisors (see below), whose sum is σ = 65811744. Its totient is φ = 5080320.

The previous prime is 22898177. The next prime is 22898191. The reversal of 22898190 is 9189822.

It is a super-2 number, since 2×22898190² = 1048654210552200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22898191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54180 + ... + 54600.

It is an arithmetic number, because the mean of its divisors is an integer number (685539).

Almost surely, 2^22898190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22898190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32905872).

22898190 is an abundant number, since it is smaller than the sum of its proper divisors (42913554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22898190 is a wasteful number, since it uses less digits than its factorization.

22898190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 22898190 is about 4785.2053247484. The cubic root of 22898190 is about 283.9664626800.

The spelling of 22898190 in words is "twenty-two million, eight hundred ninety-eight thousand, one hundred ninety".